. >>> pope benedict appeared in public for the last time before stepping down tomorrow. this is new video as he addressed thousands of people. he road in the pope mobile around st. peters square. he waved to the crowd. kissed the fore heads of several babies. without going into detail he recalled moments of light and joy. and also pain and difficulty. he thanked everyone for respecting his decision to step down. >>> your time is 5:37. people in missouri are trying to recover this morning after a heavy winter storm just covered the state. in kansas the roads were so bad the snowplows couldn't even handle it. this one just fell over in a ditch. it's the weak winter storm to pound this region in less than a week. an official state of emergency was declared in kansas after ten inches of fresh snow fell yesterday. >>> some san francisco students will be able to ride muni for free. it's part of a 16 month test to see if it has any effect on the transit agent service. students must still have a clipper card and enforcement officers will hand out fear evasion tickets to those wh